On Thu, Jun 26, 2003 at 10:39:48AM +0200, Pavel Rozenboim wrote: > > I have a shrike and psyche boxes, which reside in different subnets that are > connected through Win2k router. Whenever I send a long packets between them > I get a "Destination unreacheable" response saying "Fragmentation needed" > from a router. In ethernet sniffer I see that both boxes set a don't > fragment flag in the IP header. Is there a way to prevent this behavior. Run the command "echo 1 > /proc/sys/net/ipv4/ip_always_defrag" . If you want to make it a permanant setting, put this in /etc/sysctl.conf and run the command "service network restart": # Enables automatic defragmentation net.ipv4.ip_always_defrag = 1 Emmanuel
